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Total records found: 263
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prEN 18381 Public enquiry
Comment end date 2026-10-17
Biological durability of wood and wood-based products - Preparation of wood and wood-based material specimens before leaching testing

This document specifies a method for preparing treated wood test specimens prior leaching test to obtain water samples from treated wood which has been in conditions designed to simulate treated wood exposed out of ground contact (wood held in the storage yard after treatment and which has been in conditions designed to simulate outdoor, out of ground contact situations, use Class 3), or continuous contact with the ground or with water (use Class 4 or 5). This document is also applicable to untreated wood and modified wood. NOTE 1 Test methods written in CEN/TC 38 include how to prepare specimens of wood and wood-based materials before leaching tests. NOTE 2 EN 350 can be considered when using this document for testing untreated wood or modified wood, regarding reference wood species, number of test specimens etc.

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prEN 2794-004 Public enquiry
Comment end date 2026-10-17
Aerospace series - Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 60 A - Part 004: UNC thread terminals - Product standard

This document specifies the characteristics of single-pole circuit breakers, temperature compensated with a rated current from 20 A to 25 A, used in aircraft on-board circuits at a temperature between −55 °C and 125 °C and at an altitude of 15 000 m max. These circuit breakers are operated by a push-pull type single push button (actuator), with delayed action “trip-free” tripping. They will continue to function up to the short-circuit current.

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prEN ISO 23143-3 Public enquiry
Comment end date 2026-10-17
Information exchange between BIM and GIS - Part 3: Linking abstract concepts in BIM and GIS standards (ISO/DIS 23143-3:2026)

This document outlines the conceptual framework and methodology for linking abstract concepts between BIM and GIS standards to facilitate BIM/GIS interoperability. This document provides the mechanisms to establish links between abstract concepts in both domains in terms of metamodels, abstract conceptual schemas and application schemas.

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EN IEC 62947:2022/prA1:2026 Public enquiry
Comment end date 2026-10-16
Amendment 1 - Electrically operated spray seat for household and similar use - Methods for measuring the performance - General test methods of spray seats
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EN 60079-5:2015/prA2:2026 Public enquiry
Comment end date 2026-10-16
Amendment 2 - Explosive atmospheres - Part 5: Equipment protection by powder filling "q"
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prEN IEC 62990-1:2026 Public enquiry
Comment end date 2026-10-16
Workplace atmospheres - Part 1: Gas detection equipment - Performance requirements of detectors for toxic gases
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prEN IEC 60447:2026 Public enquiry
Comment end date 2026-10-16
Basic and safety principles for man-machine interface, marking and identification - Actuating principles
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prEN IEC 60073:2026 Public enquiry
Comment end date 2026-10-16
Basic and safety principles for man-machine interface, marking and identification - Coding principles for indicators and actuators
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prEN 3475-808 Public enquiry
Comment end date 2026-10-15
Aerospace series - Cables, electrical, aircraft use - Test methods - Part 808: Cross-talk

This document specifies a method for measuring the cross-talk of a cable or between cables.

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EN 1991-1-4:2026/prA1 Public enquiry
Comment end date 2026-10-15
Eurocode 1 - Actions on structures - Part 1-4: Wind actions

1.1 Scope of EN 1991-1-4 (1) This document gives rules for the determination of natural wind actions for the structural design of building and civil engineering works for each of the loaded areas under consideration. This includes actions applied to the whole structure or parts of it, as well as wind-exposed elements attached to the structure. (2) This document is applicable to: - buildings and other civil engineering works with heights up to 200 m; - guyed masts, other open lattice structures and chimneys with heights up to 300 m; - bridges having no span greater than 200 m. (3) The rules contained in this document allow the evaluation of characteristic wind actions on land-based structures. (4) This document is applicable to offshore coastal structures. NOTE Additional or amended provisions can be necessary. (5) This document does not give guidance on non-synoptic winds (e.g. thunderstorms, downbursts, microbursts, tornadoes, etc.), mixed wind climates, nor does it give guidance on how to account for local effects (e.g. thermal effects, funnelling, strong arctic thermal surface inversion, etc.). (6) This document addresses simplified procedures for dynamic effects, mostly based on the assumption of a dominant single-mode response (see Annex E, Annex F and Annex G). General criteria for performing a full dynamic analysis under aerodynamic excitation are not treated in this document. (7) Wind pressure effects of passing vehicles are outside the scope of this document. NOTE See EN 1991 2 for wind effects from passing trains. 8) This document also provides guidance on wind tunnel testing and numerical modelling which can be needed or desirable when the shape or structural behaviour are unusual or do not strictly fall within the rules of the document, or in cases of unusual orography or other surroundings. 1.2 Assumptions (1) The assumptions given in EN 1990-1:2023+A1:2026, 1.2 apply.

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prEN 15119-1 Public enquiry
Comment end date 2026-10-15
Biological durability of wood and wood-based products - Determination of emissions from preservative treated wood to the environment - Part 1: Wood held in the storage yard after treatment and wooden commodities exposed in Use Class 3 (not covered, not in contact with the ground) - Laboratory method

This document specifies a laboratory method for obtaining water samples from preservative treated wood exposed out of ground contact (wood held in the storage yard after treatment and which has been in conditions designed to simulate outdoor, out of ground contact situations), at increasing time intervals after exposure.

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prEN 204 Public enquiry
Comment end date 2026-10-15
Classification of thermoplastic wood adhesives for non-structural applications

This European Standard classifies thermoplastic resin based wood adhesives for non-structural applications into durability classes D1 to D4 based on the dry and wet strengths of bond-lines measured under specified conditions after various conditioning treatments. For special applications, further tests that do not fall within the scope of this European standard can be applicable. The adhesives specified in this European standard are suitable for the bonding of furniture and interior structures, panelling, doors, windows, stairs etc. made of wood or derived timber products. This European Standard does not specify the temperature resistance of bond-lines

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prEN 205 Public enquiry
Comment end date 2026-10-15
Adhesives - Wood adhesives for non-structural applications - Determination of tensile shear strength of lap joints

This European Standard specifies tests for adhesives for wood and derived timber products for the assessment of their resistance to hot and cold water. It can be used for the assessment of the strength of bonds with a thin bond-line. It does not apply to adhesives for structural use or to the manufacture of particleboards, fibreboards and plywood. It does not replace tests on finished products.

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prEN 1032 Public enquiry
Comment end date 2026-10-15
Mechanical vibration - Testing of mobile machinery in order to determine the vibration emission value

This document specifies the determination of whole-body and hand-arm vibration emissions at operator position(s) during testing of mobile machinery. The purpose of this document is to assist technical standardization committees responsible for specific types of machinery in preparing vibration test codes to ensure that such vibration test codes — are as homogeneous as possible with each individual test code having the same basic structure, — are in full accordance with basic standards on measurement of vibration emission, — reflect the latest technical knowledge of methods of determining the vibration emission from the specific family of machinery under consideration, — provide manufacturers with a standardized method for the determination and declaration of the vibration emission value(s) of their machinery, — enable the user of the machinery or the member of an inspection body to compare the vibration emission values of different machinery and to verify the vibration emission values provided by the manufacturer. This document provides requirements for the preparation of vibration test codes (C-type standards), including guidelines for the conditions under which the measurements shall be made (e.g. operating conditions). Information to be included in a typical vibration test code is summarized in Annex A. This document applies to sitting and standing positions. It is applicable to all mobile machinery producing periodic or random vibration with or without transients. This document contains sufficient guidance for designing an appropriate test for machinery for which no vibration test codes exist. It can also be used for the determination of vibration emission values of individual machines. This document is not applicable to rotational vibration and backrest vibration. This document does not present limits or recommended vibration values.

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prEN ISO 19980 Public enquiry
Comment end date 2026-10-15
Ophthalmic instruments - Corneal topographers (ISO/DIS 19980:2026)

This document specifies minimum requirements for instruments and systems that fall into the class of corneal topographers (CTs). It also specifies tests and procedures to verify that a system or instrument complies with this document and thus qualifies as a CT according to this document. It also specifies tests and procedures that allow the verification of capabilities of systems that are beyond the minimum requirements for CTs. This document defines terms that are specific to the characterization of the corneal shape so that they may be standardized throughout the field of vision care. This document is applicable to instruments, systems and methods that are intended to measure the surface shape of the cornea of the human eye. NOTE      The measurements can be of the curvature of the surface in local areas, three-dimensional topographical measurements of the surface or other more global parameters used to characterize the surface. This document is not applicable to ophthalmic instruments classified as ophthalmometers.

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prEN ISO 11137-2 Public enquiry
Comment end date 2026-10-15
Sterilization of health care products - Radiation - Part 2: Establishing the sterilization dose (ISO/DIS 11137‑2:2026)

ISO 11137-2:2013 specifies methods for determining the minimum dose needed to achieve a specified requirement for sterility and methods to substantiate the use of 25 kGy or 15 kGy as the sterilization dose to achieve a sterility assurance level, SAL, of 10−6. ISO 11137-2:2013 also specifies methods of sterilization dose audit used to demonstrate the continued effectiveness of the sterilization dose. ISO 11137-2:2013 defines product families for sterilization dose establishment and sterilization dose audit.

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prEN 304 624 V1.0.0 (2026-08) Public enquiry
Comment end date 2026-10-18
Cyber Security (CYBER); CRA; Cybersecurity requirements for Public key infrastructure and digital certificate issuance software
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prEN 196-18 Public enquiry
Comment end date 2026-10-13
Methods of testing cement - Part 18: Determination of whiteness or colour of cement and clinker

This document describes a method for the determination of whiteness and the colour of common cements and clinkers. This method can be used to determine the whiteness of white cements defined in the EN 197-1. This document does not apply to colour measurements on cement-based formulated products or cement-based products. The method is based on the measurement of the CIE XYZ trichromatic coordinates and describes the mathematical procedure for converting these coordinates into the CIE 1976 (L*a*b*) colour space. NOTE Although the possible values of the L* parameter range from 0 to 100, this document applies to the range between 70 and 100 (photopic vision).

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prEN 196-7 Public enquiry
Comment end date 2026-10-13
Methods of testing cement - Part 7: Methods for sampling and sample preparation of common cement and its constituents

This document specifies the equipment to be used, the procedures to be applied and the requirements for sampling common cement and/or its constituent materials, representative of defined lots, for testing purposes. The same equipment and procedures can be used for other types of cement or materials; in some cases, modifications to the procedure are also permitted, provided that this document and/or the modifications are referenced in the relevant product standards. The provisions of this document are only applicable when samples of constituent of common cement are: a) required for evaluating the conformity of common cement or constituent of cement at the characteristics related to common cement, to cement constituents, to the release of dangerous substances to soil and ground water of common cement, and to environmental sustainability of common cement; or b) requested for checking a delivery or a lot with a standard, the provisions of a contract or the specification in an order. This document is applicable to the sampling of powders or bulk materials, whether they are: c) contained in silos; d) contained in bags, canisters, drums or any other packages; e) transported in bulk in road vehicles, railway wagons, ships, etc. NOTE The requirements of this document can also, by agreement between the parties, be followed for acceptance inspections for all non-standardized hydraulic binders.

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prEN 196-19 Public enquiry
Comment end date 2026-10-13
Methods of testing cement - Part 19: Determination of the contribution of cement's alkalis

This document describes the method for determining the contribution of cement’s alkali to the alkali-silica reaction process that can occur in concrete or mortar containing aggregates potentially susceptible to alkali attack. The principle is to consider the alkalis from the insoluble part of the cement (generally associated with fly ash, for example, or pozzolans) and the alkali from the diluted part of the cement (generally associated with clinker, gypsum, granulated blast furnace slag, or limestone) [1]. This test method can be used in the framework of preventing the risk of alkali silica reaction [2].

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prEN 196-14 Public enquiry
Comment end date 2026-10-13
Method of testing cement - Part 14: Determination of tricalcium silicate (C3S), dicalcium silicate (C2S), tricalcium aluminate (C3A) and tetracalcium aluminoferrite (C4AF) of common cement and clinker

This document describes the analytical procedures used to determine the content of tricalcium silicate (C3S), dicalcium silicate (C2S), tricalcium aluminate (C3A) and tetracalcium aluminoferrite (C4AF) of cement starting from a chemical analysis on cement. The method can be applied on all common cements as defined on EN 197-1. This document also describes the calculation procedures for determining of tricalcium silicate (C3S), dicalcium silicate (C2S), aluminate (C3A) and tetracalcium aluminoferrite (C4AF) in the Portland cement clinker as defined in the EN 197-1. In both cases, for cement and clinker, the calculation method is based on the Bogue method assuming each phase has a pure composition. This is a conventional method, whereby the actual mineralogical composition can differ from the results obtained using this method. For the determination of the various chemical species of clinker, cement and basic-complexing residue (BCR) described in this document, the method is indicated in the relevant clause.

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prEN 196-17 Public enquiry
Comment end date 2026-10-13
Method of testing cement - Part 17: Determination glass content of granulated blast furnace slag as constituent for common cement

This document describes two equivalent test methods for determining the glass content in Granulated blast furnace Slag (GBS) as constituent for common cement as defined on EN 197-1. Method A - Method of determining the glass content of GBS by X-ray diffraction. Method B - Method of determining the glass content of GBS by polarized optical microscopy. The glass content (or glassy/amorphous phase) in GBS is the fraction of the material that lacks a crystalline structure, having solidified rapidly from the melt in the form of amorphous glass. It is usually expressed as a percentage (wt%) of the total slag. In the absence of a product standard or a specification in the product standard, the constituent is tested at the fineness of the intended use. Furthermore, these test methods are used in manufacturing control of cement constituents for assessing their conformity to the limit indicated in EN 197-1.

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prEN 196-13 Public enquiry
Comment end date 2026-10-13
Methods of testing cement - Part 13: Effective alkali content

This document specifies the apparatus and procedure for determining the effective alkali content of cements and other hydraulic binders. The method determines the effective alkali content after 28 days of hydration by extracting pore water from cement stone and determining the concentration of sodium and potassium (method A) or hydroxyl ions in the solution (method B).

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prEN 196-15 Public enquiry
Comment end date 2026-10-13
Methods of testing cement - Part 15 - Sulfate resistance - Flat prism method

This document describes test methods (reference and alternative) applicable to cast test specimens for evaluating the Sulftate Resistance (SR characteristic) of cements. Sulfate resistance means that these binders can be used in concrete bodies submitted to sulfate attacks. In these methods, the test is carried out under controlled exposure conditions using an increased concentration of sulfate solution. These test conditions are intended to accelerate external sulfate attack. The reference test method is adapted from the modified SVA test method (German Institute for Building Technology (DIBt), Expert Committee (SVA)): “Testing the Sulfate Resistance of Cements with pozzolanic main constituents”. The modified SVA test method is listed in European Assessment Document – EAD 150007-01-0301, Annex C. This test method is appropriate for various binders, in particular those with pozzolanic main constituents. The alternative test method is listed in European Assessment Document – EAD 150009-01-0301, Annex A. This test method is appropriate for CEM III/A cements.

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prEN 196-16 Public enquiry
Comment end date 2026-10-13
Methods of testing cement - Part 16 - Sulfate resistance - Square prism method

This document describes a test method applicable to cast test specimens for evaluating the Sulfate Resistance (SR characteristic) of cements. Sulfate resistance means that these binders can be used in concrete bodies submitted to sulfate attacks. In these methods, the test is carried out under controlled exposure conditions using a defined concentration of sulfate solution. The chosen test conditions are intended to accelerate external sulfate attack. This test method is appropriate in particular for CEM III/A cements and other various binders, in particular those with pozzolanic main constituents. It is adapted from the CUR - NL - Civieltechnisch Centrum Uitvoering Research en Regelgeving (Centre for Civil Engineering Research and Codes) - Recommendation 48 - Suitability test for new cements for application in concrete. This test method is listed in European Assessment Document - EAD 150004-00-0301, Annex B.

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Total records found: 263
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